releae v1.1.3
release Unity SDK  v1.1.3.
Merge branch 'master' into wp
release 1.2.0 for US node support.
Merge pull request #65 from ufosky/master

Update iOS changelog.
Merge pull request #64 from avoscloud/unity

release Unity SDK  v1.1.3.
Merge pull request #62 from avoscloud/wp

release v1.1.3
update bks file for america site
[JENKINS] iOS sdk version v2.6.5
Update changelog.txt
Merge remote-tracking branch 'upstream/master'
Update iOS changelog.